115949103169 has 9 divisors (see below), whose sum is σ = 116704802977. Its totient is φ = 115198272004.

The previous prime is 115949103139. The next prime is 115949103191. The reversal of 115949103169 is 961301949511.

The square root of 115949103169 is 340513.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-115949103169 is a prime.

It is a super-2 number, since 2×115949103169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115949103139) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56864652 + ... + 56866690.

Almost surely, 2^115949103169 is an apocalyptic number.

115949103169 is the 340513-rd square number.

115949103169 is the 170257-th centered octagonal number.

It is an amenable number.

115949103169 is a deficient number, since it is larger than the sum of its proper divisors (755699808).

115949103169 is an frugal number, since it uses more digits than its factorization.

115949103169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 49.

Multiplying 115949103169 by its sum of digits (49), we get a square (5681506055281 = 2383591²).

The spelling of 115949103169 in words is "one hundred fifteen billion, nine hundred forty-nine million, one hundred three thousand, one hundred sixty-nine".